http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55160
Jorn Wolfgang Rennecke <amylaar at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target|sh*-*-* arm*-*-* |sh*-*-*
Status|UNCONFIRMED |RESOLVED
Resolution| |FIXED
--- Comment #2 from Jorn Wolfgang Rennecke <amylaar at gcc dot gnu.org>
2012-11-01 07:09:25 UTC ---
(In reply to comment #0)
> Starting with rev 192505 the following
>
> int test_04 (int* x, int c)
> {
> int s = 0;
> for (int i = 0; i < c; ++i)
> s += *--x;
> return s;
> }
>
..
> In this case the inner loop code size effectively does not increase, but there
> is overhead in setting up the loop. Similar code is also generated on ARM.
In order to get the r192504 arm port to generate a doloop_end pattern,
I have to enable thubm2 support and modulo scheduling, e.g.:
-O2 --std=c99 -mthumb -march=armv7 -fmodulo-sched
with these options, r192505 also gets the doloop_end pattern.
Therefore, I have removed arm from the target list.
